Weather in May 2025

Letterkenny weather in May 2025

The temperatures in Letterkenny in May are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Letterkenny during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Letterkenny in May 2025.

If you’re planning to visit Letterkenny in the near future, we highly recommend that you review the 14 day weather forecast for Letterkenny before you arrive.

Temperatures
Temperatures
14° / 5°
Rainy Days
Rainy Days
6
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
69
mm
2.7
Sun Hours
2.7
Hrs

Letterkenny annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / 1° 9 18 4 78 mm
Awful
February 7° / 1° 9 15 4 77 mm
Awful
March 9° / 2° 8 21 3 66 mm
Awful
April 12° / 3° 5 24 1 48 mm
Ok
May 14° / 5° 6 25 0 69 mm
Good
June 17° / 8° 6 24 0 78 mm
Good
July 18° / 10° 7 24 0 90 mm
Ok
August 17° / 10° 6 25 0 76 mm
Good
September 16° / 8° 6 24 0 59 mm
Good
October 13° / 6° 8 23 0 79 mm
Bad
November 9° / 4° 8 21 0 80 mm
Bad
December 7° / 2° 8 21 2 76 mm
Awful
Temperatures in Letterkenny in May
Rain in Letterkenny in May

Weather in Letterkenny in May - FAQ

What is the average temperature in Letterkenny in May?
The average temperature in Letterkenny in May is 5/14° C.
What is the chance of rain in Letterkenny in May?
On average, there are 6 rainy days in Letterkenny during May.
Weather wise, is May a good time to visit Letterkenny?
The weather in Letterkenny in May is good.
Can it snow in Letterkenny in May?
On average, there are 0 snowy days in Letterkenny in May.
More about the weather in Letterkenny